One vertex per element, one color per generator, with an edge from x to x·s.
(5,6)(7,11)(8,12)(9,10)(13,14,18,22)(15,23,26,40)(16,27,30,43)(17,31,32,21)(19,33,35,24)(20,36,38,28)(25,37,29,34)(39,44,42,41)(1,2)(3,4)(6,10)(11,12)(15,24)(16,28)(17,32)(19,23)(20,27)(21,31)(25,29)(26,33)(30,36)(34,37)(35,40)(38,43) involution — undirected(5,7,9,8)(6,11,10,12)(13,15,17,24,18,26,32,33)(14,19,21,23,22,35,31,40)(16,29,28,44,30,25,36,41)(20,37,27,42,38,34,43,39)(2,4)(13,16,17,28,18,30,32,36)(14,20,21,27,22,38,31,43)(15,25,24,41,26,29,33,44)(19,34,23,39,35,37,40,42)(5,8,9,7)(6,11,10,12)(16,30)(20,38)(25,29)(27,43)(28,36)(34,37)(39,42)(41,44)A Cayley diagram is a choice, not a fact about the group. Another drawing of this group — in a book, or on a different generating set — may look nothing like this one.